Because of the hash changes, the v1.0.350.2 version became a reference point for tool developers: Script Hook V:

: One of the most "helpful features" of this specific version was its compatibility with Script Hook V

You need the base game files from 2015. The easiest method is using the depotdownloader tool (via Steam) or finding an archived ISO of the original PC release.

This version is significant because it existed before Rockstar Games began aggressively updating the executable file (.exe) to combat cheating in GTA Online . In these early months, the barrier to entry for modding Single Player was significantly lower. Tools like ScriptHookV were in their infancy, and the community was just beginning to understand the potential of the RAGE engine on PC hardware.

To download and install update 5-v1.0.350 for Grand Theft Auto V, follow these steps: